Wellbore casing repair by tubing expansion

Details Wellbore casing repair by tubing expansion Wellbore casing repair by tubing expansion

E - Fixed Constructions

21

B

E21B 29/10 (2006.01) E21B 43/10 (2006.01)

Patent

CA 2389094

An apparatus and method for repairing a wellbore casing (100). An opening (115) in a wellbore casing (100) is located using a logging tool (310). An expandable tubular member (370) is then positioned in opposition to the opening (115) in the wellbore casing (100). The expandable tubular member (370) is then radially expanded into intimate contact with the wellbore casing (100).

L'invention concerne un dispositif et un procédé permettant de réparer le cuvelage (100) d'un puits de forage. On localise une ouverture (115) dans le cuvelage (100) au moyen d'un outil de diagraphie (310). On place ensuite un élément tubulaire expansible (370) en face de cette ouverture (115) du cuvelage (100), puis on dilate cet élément tubulaire expansible (370) dans une direction radiale de manière à le faire entrer étroitement en contact avec le cuvelage (100) du puits.

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